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When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 34 L of water for your group.
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings); the density of the fuel is 0.78 g/mL; the initial temperature of the water is 25.0 C and the standard enthalpy of formation of C7H16 is -224.4 kJ/mol.
The temperature of 100.0 mL of water was raised from 26.7 degrees celsius to 62.3 degrees celsius. how much heat in calories was added to the water
How does a sodium sulfide solution react when in contact with lead? Explain the chemistry behind this.
cadaverine a foul smelling substance produced by the action of bacteria on meat contains 58.55 c 13.81 h and 27.40 n by
An unknown monoprotic weak acid, HA, has a molar mass of 55.0. A solution contains 2.50 g of HA dissolved 800. mL of solution. The solution has a pH of 2.000. What is the value of Ka for HA
chlorobenzene is prepared from benzene by the following reactionc6h6 l cl2g c6h5cl l hcl ga 10.0kg sample of benzene
What is the average rate of appearance (in mol/L.s) of water vapor over the same period of time? A) 8.16 B) 9.52 C) 12.92 D) 17.53
Given a buret filled with .11 M acetic acid and a second buret filled with .15 sodium acetate, how many milliliters of each solution should be mixed together to produce 18.0 mL of a solution with a pH of 4.79
Assuming electrons with quantum numbers (n,l,mt,ms), how does an electron with the quantum numbers (2,1,1+1/2) differ from an electron with quantum numbers (2,1,-1,+1/2)?
describe how you would prepare an acetic acidsodium buffer solution having a ph of 4.2. nbspfor acetic acid ka 1.8 x
An isotonic solution is described as 0.92% NaCl (g/mL). Would this also be the required concentration for isotonic solutions of other salts, such as KCl, MgCl2,
how much heat is required to warm 221 g of ice from -44.7degc to 0.0degc melt the ice warm the water from 0.0degc to
If an athlete weighs 133lb and has 15.0\% body fat by weight, how many pounds of fat does the athlete's body contain
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